Get and set document properties in C# and VB.NET

With GemBox.Pdf, you can get and set PDF files document properties (document information) in your C# or VB.NET application.

The following example shows how you can set PdfDocument.Info of an existing PDF document.

PDF document properties created with GemBox.Pdf C#/VB.NET library
Screenshot of PDF document properties set with GemBox.Pdf library
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using GemBox.Pdf;

class Program
    static void Main()
        // If using Professional version, put your serial key below.

        using (var document = PdfDocument.Load("%InputFileName%"))
            // Get document properties.
            var info = document.Info;

            // Modify document properties.
            info.Title = "Document Properties Example";
            info.Author = "GemBox.Pdf";
            info.Subject = "Introduction to GemBox.Pdf";
            info.Keywords = "GemBox, Pdf, Examples";

            document.Save("Document Properties.pdf");
Imports GemBox.Pdf

Module Program

    Sub Main()

        ' If using Professional version, put your serial key below.

        Using document = PdfDocument.Load("%InputFileName%")

            ' Get document properties.
            Dim info = document.Info

            ' Modify document properties.
            info.Title = "Document Properties Example"
            info.Author = "GemBox.Pdf"
            info.Subject = "Introduction to GemBox.Pdf"
            info.Keywords = "GemBox, Pdf, Examples"

            document.Save("Document Properties.pdf")
        End Using
    End Sub
End Module

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If you want to try the GemBox.Pdf yourself, you can download the free version. It delivers the same performance and set of features as the professional version, but with some operations limited. To remove the limitation, you need to purchase a license.